G02B 26/106
Having diffraction gratings as scanning elements
Official title: {having diffraction gratings as scanning elements, e.g. holographic scanners (holographic optical elements G02B5/32, holography G03H)}
G02B26/106 (Having diffraction gratings as scanning elements) appears on 451 US grants and 202 published applications in this corpus.
Search patents in G02B- Granted patents
- 451
- Published applications
- 202
- Assignees
- 148
- Inventors
- 564
- Latest grant
- 5 May 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 12 | 0 |
| 1987 | 9 | 0 |
| 1988 | 14 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 19 | 0 |
| 1999 | 24 | 0 |
| 2000 | 21 | 0 |
| 2001 | 21 | 6 |
| 2002 | 21 | 22 |
| 2003 | 25 | 11 |
| 2004 | 13 | 10 |
| 2005 | 11 | 10 |
| 2006 | 12 | 4 |
| 2007 | 5 | 9 |
| 2008 | 4 | 3 |
| 2009 | 8 | 5 |
| 2010 | 2 | 1 |
| 2011 | 2 | 3 |
| 2012 | 1 | 2 |
| 2013 | 5 | 6 |
| 2014 | 1 | 2 |
| 2015 | 3 | 6 |
| 2016 | 3 | 6 |
| 2017 | 6 | 6 |
| 2018 | 8 | 11 |
| 2019 | 14 | 16 |
| 2020 | 9 | 13 |
| 2021 | 10 | 15 |
| 2022 | 11 | 15 |
| 2023 | 10 | 10 |
| 2024 | 9 | 5 |
| 2025 | 8 | 5 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Two-dimensional imager with solid-state auto-focus496US 8,988,590 B2Intermec IP Corp. · 2015
- Automatic laser scanning system and method of reading bar code symbols using same218US 5,340,973 AMetrologic Instruments, Inc. · 1994
- Optical scanning system with wavelength shift correction209US 4,428,643 AXerox Corporation · 1984
- Automatic hand-supportable code symbol scanning device with improved laser beam pointing efficiency205US 5,468,951 AMetrologic Instruments, Inc. · 1995
- Image input device having optical deflection elements for capturing multiple sub-images205US 5,686,960 A1997